org.apache.jena.util.FileManager Java Examples

private ReasoningOntology(String ontologyFile){
//		data = ModelFactory.createOntologyModel();
		
		// use the FileManager to find the input file
		 InputStream in = FileManager.get().open( ontologyFile );
		if (in == null) {
		    throw new IllegalArgumentException(
		                                 "File: " + ontologyFile + " not found");
		}

		
		// read the RDF/XML file
		ontology.read(in, null);
		data = ontology;
//		data.read(in, null);
		updateInfModel();
		
	}
 

public static void main (String args[]) {
    // create an empty model
    Model model = ModelFactory.createDefaultModel();
   
    // use the FileManager to find the input file
    InputStream in = FileManager.get().open(inputFileName);
    if (in == null) {
        throw new IllegalArgumentException( "File: " + inputFileName + " not found");
    }
    
    // read the RDF/XML file
    model.read( in, "");
    
    // select all the resources with a VCARD.FN property
    ResIterator iter = model.listResourcesWithProperty(VCARD.FN);
    if (iter.hasNext()) {
        System.out.println("The database contains vcards for:");
        while (iter.hasNext()) {
            System.out.println("  " + iter.nextResource()
                                          .getRequiredProperty(VCARD.FN)
                                          .getString() );
        }
    } else {
        System.out.println("No vcards were found in the database");
    }            
}
 

public static void main (String args[]) {
    // create an empty model
    Model model1 = ModelFactory.createDefaultModel();
    Model model2 = ModelFactory.createDefaultModel();
   
    // use the class loader to find the input file
    InputStream in1 = FileManager.get().open(inputFileName1);
    if (in1 == null) {
        throw new IllegalArgumentException( "File: " + inputFileName1 + " not found");
    }
    InputStream in2 = FileManager.get().open(inputFileName2);
    if (in2 == null) {
        throw new IllegalArgumentException( "File: " + inputFileName2 + " not found");
    }
    
    // read the RDF/XML files
    model1.read( in1, "" );
    model2.read( in2, "" );
    
    // merge the graphs
    Model model = model1.union(model2);
    
    // print the graph as RDF/XML
    model.write(System.out, "RDF/XML-ABBREV");
    System.out.println();
}
 

/**
 * Create an SPDX Document from a file
 * @param fileNameOrUrl local file name or Url containing the SPDX data.  Can be in RDF/XML or RDFa format
 * @return SPDX Document initialized with the exsiting data
 * @throws IOException
 * @throws InvalidSPDXAnalysisException
 */
public static SPDXDocument creatSpdxDocument(String fileNameOrUrl) throws IOException, InvalidSPDXAnalysisException {
	try {
		Class.forName("net.rootdev.javardfa.jena.RDFaReader");
	} catch(java.lang.ClassNotFoundException e) {}  // do nothing

	Model model = ModelFactory.createDefaultModel();

	InputStream spdxRdfInput = FileManager.get().open(fileNameOrUrl);
	if (spdxRdfInput == null)
		throw new FileNotFoundException("Unable to open \"" + fileNameOrUrl + "\" for reading");

	model.read(spdxRdfInput, figureBaseUri(fileNameOrUrl), fileType(fileNameOrUrl));

	return new SPDXDocument(model);
}
 

private Dataset buildBaseDataset() {
	Dataset jenaData;
	
	if (StringUtils.isNotBlank(jenaConfig.getAssemblerFile())) {
		LOGGER.debug("Building dataset from assembler file {}", jenaConfig.getAssemblerFile());
		jenaData = DatasetFactory.assemble(jenaConfig.getAssemblerFile(), jenaConfig.getAssemblerDataset());
	} else if (StringUtils.isNotBlank(jenaConfig.getTdbPath())) {
		LOGGER.debug("Building dataset from TDB data at {}", jenaConfig.getTdbPath());
		jenaData = TDBFactory.createDataset(jenaConfig.getTdbPath());
	} else {
		LOGGER.debug("Building dataset from ontology URI {}", jenaConfig.getOntologyUri());
		FileManager fileManager = FileManager.get();
		Model model = fileManager.loadModel(jenaConfig.getOntologyUri());
		
		// Build the base dataset backed by the model loaded from the URI
		jenaData = DatasetFactory.create(model);
	}
	
	return jenaData;
}
 

private static String getSingleFromClause(Query query, FileManager fm) {
	if (query.getGraphURIs() == null || query.getGraphURIs().isEmpty()) {
		throw new TarqlException("No input file provided");
	}
	if (query.getGraphURIs().size() > 1) {
		throw new TarqlException("Too many input files: " + query.getGraphURIs());
	}
	return query.getGraphURIs().get(0);
}
 

private void read(String file_path) {
  InputStream in = FileManager.get().open(file_path);

  if (null == in) {
    throw new IllegalArgumentException( "File: " + file_path + " not found." );
  }

  read(in);
}
 

public static TarqlQueryExecution create(TarqlQuery query, FileManager fm, CSVOptions options) throws IOException {
	String filenameOrURL = getSingleFromClause(query.getQueries().get(0), fm);
	URLOptionsParser parseResult = new URLOptionsParser(filenameOrURL);
	CSVOptions newOptions = new CSVOptions(parseResult.getOptions());
	newOptions.overrideWith(options);
	return create(query, InputStreamSource.fromFilenameOrIRI(parseResult.getRemainingURL(), fm), newOptions);
}
 

public static InputStreamSource fromFilenameOrIRI(final String filenameOrIRI, final FileManager fm) {
	return new InputStreamSource() {
		public InputStream open() throws IOException {
			InputStream in = fm.open(filenameOrIRI);
			if (in == null) {
				throw new NotFoundException(filenameOrIRI);
			}
			return in;
		}
	};
}
 

private static Reader open(String filenameOrURL) {
	try {
		InputStream in = FileManager.get().open(filenameOrURL);
		if (in == null) throw new NotFoundException(filenameOrURL);
		return new InputStreamReader(in, "UTF-8");
	} catch (UnsupportedEncodingException ex) {
		// Can't happen, UTF-8 is always supported
		return null;
	}
}
 

public static void main (String args[]) {
    // create an empty model
    Model model = ModelFactory.createDefaultModel();
   
    // use the FileManager to find the input file
    InputStream in = FileManager.get().open(inputFileName);
    if (in == null) {
        throw new IllegalArgumentException( "File: " + inputFileName + " not found");
    }
    
    // read the RDF/XML file
    model.read( in, "" );
    
    // select all the resources with a VCARD.FN property
    // whose value ends with "Smith"
    StmtIterator iter = model.listStatements(
        new 
            SimpleSelector(null, VCARD.FN, (RDFNode) null) {
                @Override
                public boolean selects(Statement s) {
                        return s.getString().endsWith("Smith");
                }
            });
    if (iter.hasNext()) {
        System.out.println("The database contains vcards for:");
        while (iter.hasNext()) {
            System.out.println("  " + iter.nextStatement()
                                          .getString());
        }
    } else {
        System.out.println("No Smith's were found in the database");
    }            
}
 

public static void main (String args[]) {
    // create an empty model
    Model model = ModelFactory.createDefaultModel();
   
    // use the FileManager to find the input file
    InputStream in = FileManager.get().open(inputFileName);
    if (in == null) {
        throw new IllegalArgumentException( "File: " + inputFileName + " not found");
    }
    
    // read the RDF/XML file
    model.read(new InputStreamReader(in), "");
    
    // retrieve the Adam Smith vcard resource from the model
    Resource vcard = model.getResource(johnSmithURI);

    // retrieve the value of the N property
    Resource name = (Resource) vcard.getRequiredProperty(VCARD.N)
                                    .getObject();
    // retrieve the given name property
    String fullName = vcard.getRequiredProperty(VCARD.FN)
                           .getString();
    // add two nick name properties to vcard
    vcard.addProperty(VCARD.NICKNAME, "Smithy")
         .addProperty(VCARD.NICKNAME, "Adman");
    
    // set up the output
    System.out.println("The nicknames of \"" + fullName + "\" are:");
    // list the nicknames
    StmtIterator iter = vcard.listProperties(VCARD.NICKNAME);
    while (iter.hasNext()) {
        System.out.println("    " + iter.nextStatement().getObject()
                                        .toString());
    }
}
 

public static void main (String args[]) {
    // create an empty model
    Model model = ModelFactory.createDefaultModel();

    InputStream in = FileManager.get().open( inputFileName );
    if (in == null) {
        throw new IllegalArgumentException( "File: " + inputFileName + " not found");
    }
    
    // read the RDF/XML file
    model.read(in, "");
                
    // write it to standard out
    model.write(System.out);            
}
 

public void run() {
    // creates a new, empty in-memory model
    Model m = ModelFactory.createDefaultModel();

    // load some data into the model
    FileManager.get().readModel( m, CHEESE_DATA_FILE );

    // generate some output
    showModelSize( m );
    listCheeses( m );
}
 

private void read(String filenameOrURI) {
  InputStream in = FileManager.get().open(filenameOrURI);

  if (null == in) {
    throw new IllegalArgumentException("File: " + filenameOrURI + " not found.");
  }

  read(in);
}
 

/**
 * Initial ontology model from an ontology file
 *
 * @param file the file path or url of the ontology
 */
public OntModelWrapper(String file) {
  this();
  InputStream in = FileManager.get().open(file);

  if (null == in) {
    throw new IllegalArgumentException( "File: " + file + " not found.");
  }
  read(in);
}
 

/**
 * Given a path to an RDF/XML or TTL file and a RDF language, load the file as the default model
 * of a TDB dataset backed by a directory to improve processing time. Return the new dataset.
 *
 * <p>WARNING - this creates a directory at given tdbDir location!
 *
 * @param inputPath input path of RDF/XML or TTL file
 * @param tdbDir location to put TDB mappings
 * @return Dataset instantiated with triples
 * @throws JenaException if TDB directory can't be written to
 */
public static Dataset loadToTDBDataset(String inputPath, String tdbDir) throws JenaException {
  Dataset dataset;
  if (new File(tdbDir).isDirectory()) {
    dataset = TDBFactory.createDataset(tdbDir);
    if (!dataset.isEmpty()) {
      return dataset;
    }
  }
  dataset = TDBFactory.createDataset(tdbDir);
  logger.debug(String.format("Parsing input '%s' to dataset", inputPath));
  // Track parsing time
  long start = System.nanoTime();
  Model m;
  dataset.begin(ReadWrite.WRITE);
  try {
    m = dataset.getDefaultModel();
    FileManager.get().readModel(m, inputPath);
    dataset.commit();
  } catch (JenaException e) {
    dataset.abort();
    dataset.end();
    dataset.close();
    throw new JenaException(String.format(syntaxError, inputPath));
  } finally {
    dataset.end();
  }
  long time = (System.nanoTime() - start) / 1000000000;
  logger.debug(String.format("Parsing complete - took %s seconds", String.valueOf(time)));
  return dataset;
}
 

/**
 * Create an SPDX Document from a file
 * @param fileNameOrUrl local file name or Url containing the SPDX data.  Can be in RDF/XML or RDFa format
 * @return SPDX Document initialized with the exsiting data
 * @throws IOException
 * @throws InvalidSPDXAnalysisException
 */
public static SpdxDocument createSpdxDocument(String fileNameOrUrl) throws IOException, InvalidSPDXAnalysisException {
	try {
		Class.forName("net.rootdev.javardfa.jena.RDFaReader");
	} catch(java.lang.ClassNotFoundException e) {
		logger.warn("Unable to load the RDFaReader Class");
	}  

	InputStream spdxRdfInput = FileManager.get().open(fileNameOrUrl);
	if (spdxRdfInput == null)
		throw new FileNotFoundException("Unable to open \"" + fileNameOrUrl + "\" for reading");

	return createSpdxDocument(spdxRdfInput, figureBaseUri(fileNameOrUrl), fileType(fileNameOrUrl));
}
 

/**
 * Create an Legacy SPDX Document from a file - Legacy SPDX documents only specification version 1.2 features
 * @param fileNameOrUrl local file name or Url containing the SPDX data.  Can be in RDF/XML or RDFa format
 * @return SPDX Document initialized with the exsiting data
 * @throws IOException
 * @throws InvalidSPDXAnalysisException
 */
@SuppressWarnings("deprecation")
public static SPDXDocument createLegacySpdxDocument(String fileNameOrUrl) throws IOException, InvalidSPDXAnalysisException {
	try {
		Class.forName("net.rootdev.javardfa.jena.RDFaReader");
	} catch(java.lang.ClassNotFoundException e) {
		logger.warn("Unable to load the RDFaReader Class");
	}  

	InputStream spdxRdfInput = FileManager.get().open(fileNameOrUrl);
	if (spdxRdfInput == null)
		throw new FileNotFoundException("Unable to open \"" + fileNameOrUrl + "\" for reading");

	return createLegacySpdxDocument(spdxRdfInput, figureBaseUri(fileNameOrUrl), fileType(fileNameOrUrl));
}
 

@Test
public void testLocalUri() throws IOException {
	String id = "BSD-3-Clause";
	File licenseHtmlFile = new File("TestFiles" + File.separator + id);
	String stdLicUri = "file://" + licenseHtmlFile.getAbsolutePath().replace('\\', '/').replace(" ", "%20");
	byte[] buf = new byte[2048];

	InputStream in = FileManager.get().open(stdLicUri);
	try {
		int readLen = in.read(buf, 0, 2048);
		assertTrue(readLen > 0);
	} finally {
		in.close();
	}
}
 

public static void main(String[] args) throws IOException, InterruptedException {

		PROPERTY_SURFACE_FORMS = DIRECTORY + "property_surface_forms.ttl";

		// create an empty model
		Model inputModel = ModelFactory.createDefaultModel();

		// use the FileManager to find the input file
		InputStream in = FileManager.get().open(DBPEDIA_PROPERTY_FILE);
		if (in == null) {
			throw new IllegalArgumentException("File: " + DBPEDIA_PROPERTY_FILE + " not found");
		}

		// read the RDF/XML file
		inputModel.read(in, null, "N-TRIPLE");
		inputModel.write(System.out);

		Model outputModel = ModelFactory.createDefaultModel();
		QueryExecution qExec = QueryExecutionFactory
				.create("SELECT ?s  ?label WHERE{?s a <http://www.w3.org/1999/02/22-rdf-syntax-ns#Property>."
						+ " ?s <http://www.w3.org/2000/01/rdf-schema#label> ?label. }", inputModel);
		ResultSet rs = qExec.execSelect();
		System.out.println(qExec);
		while (rs.hasNext()) {
			QuerySolution qs = rs.next();
			Resource uri = qs.get("?s").asResource();
			RDFNode label = qs.get("?label");
			StatementImpl s = new StatementImpl(uri, RDFS.label, label);
			outputModel.add(s);

		}

		qExec.close();

		FileOutputStream outputFile = new FileOutputStream(PROPERTY_SURFACE_FORMS);
		RDFDataMgr.write(outputFile, outputModel, RDFFormat.NTRIPLES);
	}
 

public static void main(String[] args) throws IOException, InterruptedException {

		CLASS_SURFACE_FORMS = DIRECTORY + "class_surface_forms.ttl";

		// create an empty model
		Model inputModel = ModelFactory.createDefaultModel();

		// use the FileManager to find the input file
		InputStream in = FileManager.get().open(DBPEDIA_CLASSE_FILE);
		if (in == null) {
			throw new IllegalArgumentException("File: " + DBPEDIA_CLASSE_FILE + " not found");
		}

		// read the RDF/XML file
		inputModel.read(in, null, "N-TRIPLE");

		Model outputModel = ModelFactory.createDefaultModel();
		QueryExecution qExec = QueryExecutionFactory
				.create("SELECT ?s ?label WHERE{?s a <http://www.w3.org/2002/07/owl#Class>."
						+ " ?s <http://www.w3.org/2000/01/rdf-schema#label> ?label. "
						+ "FILTER (lang(?label) = \"en\")}", inputModel);
		ResultSet rs = qExec.execSelect();
		while (rs.hasNext()) {
			QuerySolution qs = rs.next();
			Resource uri = qs.get("?s").asResource();
			RDFNode label = qs.get("?label");
			StatementImpl s = new StatementImpl(uri, RDFS.label, label);
			outputModel.add(s);

		}

		qExec.close();

		FileOutputStream outputFile = new FileOutputStream(CLASS_SURFACE_FORMS);
		RDFDataMgr.write(outputFile, outputModel, RDFFormat.NTRIPLES);

	}
 

public Application(final Dataset dataset, final String endpointURI, final String graphStoreURI, final String quadStoreURI,
        final String authUser, final String authPwd,
        final MediaTypes mediaTypes, final Client client, final Integer maxGetRequestSize, final boolean preemptiveAuth,
        final LocationMapper locationMapper, final String ontologyURI, final String rulesString, boolean cacheSitemap)
{
    super(dataset, endpointURI, graphStoreURI, quadStoreURI, authUser, authPwd,
            mediaTypes, client, maxGetRequestSize, preemptiveAuth);
    if (locationMapper == null) throw new IllegalArgumentException("LocationMapper be null");
    
    if (ontologyURI == null)
    {
        if (log.isErrorEnabled()) log.error("Sitemap ontology URI (" + LDT.ontology.getURI() + ") not configured");
        throw new ConfigurationException(LDT.ontology);
    }
    if (rulesString == null)
    {
        if (log.isErrorEnabled()) log.error("Sitemap Rules (" + AP.sitemapRules.getURI() + ") not configured");
        throw new ConfigurationException(AP.sitemapRules);
    }
    
    this.ontologyURI = ontologyURI;
    this.cacheSitemap = cacheSitemap;

    if (dataset != null)
        service = new com.atomgraph.core.model.impl.dataset.ServiceImpl(dataset, mediaTypes);
    else
    {
        if (endpointURI == null)
        {
            if (log.isErrorEnabled()) log.error("SPARQL endpoint not configured ('{}' not set in web.xml)", SD.endpoint.getURI());
            throw new ConfigurationException(SD.endpoint);
        }
        if (graphStoreURI == null)
        {
            if (log.isErrorEnabled()) log.error("Graph Store not configured ('{}' not set in web.xml)", A.graphStore.getURI());
            throw new ConfigurationException(A.graphStore);
        }

        service = new com.atomgraph.core.model.impl.remote.ServiceImpl(client, mediaTypes,
                ResourceFactory.createResource(endpointURI), ResourceFactory.createResource(graphStoreURI),
                quadStoreURI != null ? ResourceFactory.createResource(quadStoreURI) : null,
                authUser, authPwd, maxGetRequestSize);
    }
    
    application = new ApplicationImpl(service, ResourceFactory.createResource(ontologyURI));

    List<Rule> rules = Rule.parseRules(rulesString);
    OntModelSpec rulesSpec = new OntModelSpec(OntModelSpec.OWL_MEM);
    Reasoner reasoner = new GenericRuleReasoner(rules);
    //reasoner.setDerivationLogging(true);
    //reasoner.setParameter(ReasonerVocabulary.PROPtraceOn, Boolean.TRUE);
    rulesSpec.setReasoner(reasoner);
    this.ontModelSpec = rulesSpec;
    
    BuiltinPersonalities.model.add(Parameter.class, ParameterImpl.factory);
    BuiltinPersonalities.model.add(Template.class, TemplateImpl.factory);

    SPINModuleRegistry.get().init(); // needs to be called before any SPIN-related code
    ARQFactory.get().setUseCaches(false); // enabled caching leads to unexpected QueryBuilder behaviour
    
    DataManager dataManager = new DataManager(locationMapper, client, mediaTypes, preemptiveAuth);
    FileManager.setStdLocators(dataManager);
    FileManager.setGlobalFileManager(dataManager);
    if (log.isDebugEnabled()) log.debug("FileManager.get(): {}", FileManager.get());

    OntDocumentManager.getInstance().setFileManager(dataManager);
    if (log.isDebugEnabled()) log.debug("OntDocumentManager.getInstance().getFileManager(): {}", OntDocumentManager.getInstance().getFileManager());
    OntDocumentManager.getInstance().setCacheModels(cacheSitemap); // lets cache the ontologies FTW!!
}
 

public static TarqlQueryExecution create(TarqlQuery query, FileManager fm) throws IOException {
	String filenameOrURL = getSingleFromClause(query.getQueries().get(0), fm);
	URLOptionsParser parseResult = new URLOptionsParser(filenameOrURL);
	return create(query, InputStreamSource.fromFilenameOrIRI(parseResult.getRemainingURL(), fm), parseResult.getOptions());
}
 

public static TarqlQueryExecution create(TarqlQuery query, CSVOptions options) throws IOException {
	return create(query, FileManager.get(), options);
}
 

public static TarqlQueryExecution create(TarqlQuery query) throws IOException {
	return create(query, FileManager.get(), new CSVOptions());
}
 

public static InputStreamSource fromFilenameOrIRI(final String filenameOrIRI) {
	return fromFilenameOrIRI(filenameOrIRI, FileManager.get());
}
 

public TarqlParser(String filenameOrURL) {
	this(open(filenameOrURL), FileManager.get().mapURI(filenameOrURL));
}
 

private boolean loadAnnotationsFromRDFs(Map<String, String> nsPrefixToFileMap){

		for(String nsprefix : nsPrefixToFileMap.keySet()){

			String rdfFile = nsPrefixToFileMap.get(nsprefix);

			Model model = null;
			try{
				model = FileManager.get().loadModel(rdfFile);

				StmtIterator stmtIterator = model.listStatements();

				while(stmtIterator.hasNext()){
					Statement statement = stmtIterator.nextStatement();

					if(statement.getPredicate().getLocalName().equals("type") &&
							statement.getPredicate().getNameSpace().contains("http://www.w3.org/1999/02/22-rdf-syntax-ns") &&
							(statement.getObject().asResource().getLocalName().equals("Property") &&
									statement.getObject().asResource().getNameSpace().contains("http://www.w3.org/2000/01/rdf-schema") ||
									statement.getObject().asResource().getLocalName().equals("Property") &&
											statement.getObject().asResource().getNameSpace().contains("http://www.w3.org/1999/02/22-rdf-syntax-ns"))){
						if(!(statement.getSubject().getLocalName() == null || statement.getSubject().getNameSpace() == null)){
							Set<String> nsSet = null;
							if((nsSet = annotationToNamespaceMap.get(statement.getSubject().getLocalName())) == null){
								nsSet = new HashSet<String>();
								annotationToNamespaceMap.put(statement.getSubject().getLocalName(), nsSet);
							}
							nsSet.add(nsprefix);
							namespacePrefixToURIMap.put(nsprefix, statement.getSubject().getNameSpace());
						}
					}
				}

				model.close();
			}catch(Exception exception){
				logger.log(Level.SEVERE, "Failed to read file '"+rdfFile+"'", exception);
				return false;
			}

		}

		for(String annotation : annotationToNamespaceMap.keySet()){
			if(annotationToNamespaceMap.get(annotation).size() > 1){
				List<String> filepaths = new ArrayList<String>();
				for(String nsPrefix : annotationToNamespaceMap.get(annotation)){
					filepaths.add(nsPrefixToFileMap.get(nsPrefix));
				}
				logger.log(Level.WARNING, "Files " + filepaths + " all have the property with name '"+annotation+"'");
			}
		}

		return true;

	}
 

public static void convertToNtripleFormat(File in, File out) throws IOException {
	Model model = FileManager.get().loadModel(in.getAbsolutePath());
	BufferedWriter bw = new BufferedWriter(new FileWriter(out));
	model.write(bw, "N-TRIPLE");
	bw.close();
}